C++ (Cpp) QSpinBox::stepUp Examples

Example #1

File: tst_qitemdelegate.cpp Project: crobertd/qtbase

void tst_QItemDelegate::uintEdit()
{
    QListView view;
    QStandardItemModel model;

    {
        QStandardItem *data=new QStandardItem;
        data->setEditable(true);
        data->setData(QVariant((uint)1), Qt::DisplayRole);
        model.setItem(0, 0, data);
    }
    {
        QStandardItem *data=new QStandardItem;
        data->setEditable(true);
        data->setData(QVariant((uint)1), Qt::DisplayRole);
        model.setItem(1, 0, data);
    }

    view.setModel(&model);
    view.setEditTriggers(QAbstractItemView::AllEditTriggers);

    const QModelIndex firstCell = model.index(0, 0);

    QCOMPARE(firstCell.data(Qt::DisplayRole).userType(), static_cast<int>(QMetaType::UInt));

    view.selectionModel()->setCurrentIndex(model.index(0, 0), QItemSelectionModel::Select);
    view.edit(firstCell);

    QSpinBox *sb = view.findChild<QSpinBox*>();
    QVERIFY(sb);

    sb->stepUp();

    // Select another index to trigger the end of editing.
    const QModelIndex secondCell = model.index(1, 0);
    view.selectionModel()->setCurrentIndex(secondCell, QItemSelectionModel::Select);

    QCOMPARE(firstCell.data(Qt::DisplayRole).userType(), static_cast<int>(QMetaType::UInt));
    QCOMPARE(firstCell.data(Qt::DisplayRole).toUInt(), static_cast<uint>(2));


    view.edit(secondCell);

    // The first spinbox is deleted with deleteLater, so it is still there.
    QList<QSpinBox*> sbList = view.findChildren<QSpinBox*>();
    QCOMPARE(sbList.size(), 2);

    sb = sbList.at(1);

    sb->stepDown(); // 1 -> 0
    sb->stepDown(); // 0 (no effect)
    sb->stepDown(); // 0 (no effect)

    // Select another index to trigger the end of editing.
    view.selectionModel()->setCurrentIndex(firstCell, QItemSelectionModel::Select);

    QCOMPARE(secondCell.data(Qt::DisplayRole).userType(), static_cast<int>(QMetaType::UInt));
    QCOMPARE(secondCell.data(Qt::DisplayRole).toUInt(), static_cast<uint>(0));
}